Library of Congress Classification Outline – Class M



Subclass M


M1-5000 Music

M1-1.A15 Music printed or copied in manuscript in the United States or the colonies before 1860

M1.A5-3.3 Collections

M1.A5-Z Miscellaneous

M2-2.3 Musical sources

M3-3.3 Collected works of individual composers

M5-1480 Instrumental music

M5 Collections

M6-175.5 One solo instrument

M176 Motion picture music

M176.5 Radio and television music

M177-990 Two or more solo instruments

M1000-1075 Orchestra

M1100-1160 String orchestra

M1200-1270 Band

M1350-1366 Other ensembles

M1375-1420 Instrumental music for children

M1470-1480 Aleatory music. Electronic music. Mixed media

M1490 Music printed or copied in manuscript before 1700

M1495-2199 Vocal music

M1495 Collections

M1497-1998 Secular vocal music

M1497 Collections

M1500-1527.8 Dramatic music

M1528-1529.5 Two or more solo voices

M1530-1609 Choruses

M1611-1624.8 One solo voice

M1625-1626 Recitations with music

M1627-1853 Folk, national and ethnic music

M1900-1985 Songs of specific groups or on specific topics

M1990-1998 Secular vocal music for children

M1999-2199 Sacred vocal music

M1999 Collections

M2000-2007 Dramatic music

M2010-2017.6 Choral services, etc.

M2018-2019.5 Two or more solo voices

M2020-2101.5 Choruses

M2102-2114.8 One solo voice


M2115-2146 Hymnals. Hymn collections

M2147-2188 Liturgy and ritual

M2190-2196 Sacred vocal music for children

M2198-2199 Popular religious and devotional music

M5000 Unidentified compositions


Subclass ML


ML1-3930 Literature on music

ML1-5 Periodicals. Serials

ML12-21 Directories. Almanacs

ML25-28 Societies and other organizations

ML29-31 Special collections

ML32-33 Institutions

ML35-38 Festivals. Congresses

ML40-44 Programs

ML45 Circulars and advertisements

ML46 Scrapbooks

ML47-54.8 Librettos. Texts. Scenarios

ML55-89 Aspects of the field of music as a whole

ML93-96.5 Manuscript studies and manuscripts

ML100-109 Dictionaries. Encyclopedias

ML110-111.5 Music librarianship

ML112-112.5 Music printing and publishing

ML112.8-158.8 Bibliography

ML159-3785 History and criticism

ML159-161 General works

ML162-197 By period

ML198-360.6 By region or country

ML385-429 Biography

ML430-458 Composition and performance

ML459-1380 Instruments and instrumental music

ML1400-3275 Vocal music

ML3300-3351 Program music

ML3400-3465 Dance music

ML3469-3541 Popular music

ML3544-3776 Folk, national, and ethnic music

ML3780 Music on particular topics

ML3785 Musical journalism

ML3790-3792 Music trade

ML3795 Music as a profession. Vocational guidance

ML3797-3799.5 Musical research

ML3800-3923 Philosophical and societal aspects of music. Physics and acoustics of music. Physiological aspects of music

ML3800 General works


ML3805-3817 Physics and acoustics

ML3820 Physiological aspects of music

ML3830-3840 Psychology

ML3845-3877 Aesthetics

ML3880-3915 Criticism

ML3916-3918 Social and political aspects of music

ML3919-3920 Moral influence of music. Therapeutic use of music

ML3921-3921.8 Religious aspects of music

ML3922 Music in the workplace

ML3928-3930 Literature for children


Subclass MT


MT1-960 Instruction and study

MT1 General works

M2.5 Music study abroad

MT3-5 History

MT5.5-7 Music theory

MT9-15 Printed pedagogical aids

MT9 Examinations, exercises, etc.

MT10 Teachers= and supervisors= manuals, etc.

MT15 Charts, diagrams, etc.

MT17 Music in special education

MT18 Music in colleges and universities

MT20-34 Systems and methods

MT35-39 Notation

MT40-67 Composition. Elements and techniques of music

MT68 Improvisation. Accompaniment. Transposition

MT70-74 Instrumentation and orchestration

MT75 Interpretation

MT80 Embellishment

MT82 Memorizing

MT85 Conducting. Score reading and playing

MT87 Community music

MT88 Administration and instruction of vocal groups

MT90-146 Analysis and appreciation of musical works

MT150 Audio-visual aids

MT155 Music theory for children

MT165 Tuning

MT170-810 Instrumental techniques

MT179-258 Keyboard instruments

MT259-338 Stringed instruments. Bowed stringed instruments

MT339-533 Wind instruments

MT539-654 Plucked instruments

MT655-725 Percussion and other instruments


MT728-735 Ensembles

MT737 Motion picture accompanying

MT740-810 Instrumental techniques for children

MT820-915 Singing and vocal technique

MT898-915 Vocal techniques for children

MT918-948 School music

MT920-925 Kindergarten

MT930-948 Elementary schools. Junior high schools. High schools

MT949.5 Whistling

MT950 Music to accompany instruction in ballet, folk dancing, gymnastics, etc.

MT955-956 Musical theater

MT960 Music in the theater